News tagged with oxygen species
Egg-laying beginning of the end for dinosaurs
Their reproductive strategy spelled the beginning of the end: The fact that dinosaurs laid eggs put them at a considerable disadvantage compared to viviparous mammals. Together with colleagues from the Zoological ...
Other Sciences / Archaeology & Fossils
Apr 17, 2012 |
4.7 / 5 (12) |
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Professor's hypothesis may be game changer for evolutionary theory
(PhysOrg.com) -- A new hypothesis posed by a University of Tennessee, Knoxville, associate professor and colleagues could be a game changer in the evolution arena. The hypothesis suggests some species are ...
Apr 04, 2012 |
4.2 / 5 (22) |
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Copper iodide nanoparticles effective against 2009 pandemic H1N1 influenza virus
Copper-iodide nanoparticles have long-lasting antiviral activity against the 2009 pandemic H1N1 influenza virus, according to a paper in the February issue of the journal Applied and Environmental Microbiology.
Nanotechnology / Bio & Medicine
Feb 15, 2012 |
4.3 / 5 (3) |
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Oxidative stress: Less harmful than suspected?
Arterial calcification and coronary heart disease, neurodegenerative diseases such as Parkinson's and Alzheimer's, cancer and even the aging process itself are suspected to be partially caused or accelerated ...
Dec 05, 2011 |
4 / 5 (1) |
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New evidence found for the oldest oxygen-breathing life on land
New University of Alberta research shows the first evidence that oxygen-breathing bacteria occupied and thrived on land 100 million years earlier than previously thought.
Space & Earth / Earth Sciences
Oct 19, 2011 |
4.6 / 5 (7) |
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Good housekeeping maintains a healthy liver
Differences in the levels of two key metabolic enzymes may explain why some people are more susceptible to liver damage, according to a study in the October 17 issue of the Journal of Cell Biology.
Oct 17, 2011 |
4 / 5 (1) |
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Reefs recovered faster after mass extinction than first thought
Metazoan-dominated reefs only took 1.5 million years to recover after the largest species extinction 252 million years ago, an international research team including paleontologists from the University of Zurich ...
Space & Earth / Earth Sciences
Sep 30, 2011 |
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Novel compound selectively kills cancer cells
A cancer cell may seem out of control, growing wildly and breaking all the rules of orderly cell life and death. But amid the seeming chaos there is a balance between a cancer cell's revved-up metabolism and skyrocketing ...
Jul 13, 2011 |
4.9 / 5 (9) |
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Research creates nanoparticles perfectly formed to tackle cancer
Researchers from the University of Hull have discovered a way to load up nanoparticles with large numbers of light-sensitive molecules to create a more effective form of photodynamic therapy (PDT) for treating cancer.
Nanotechnology / Bio & Medicine
Jun 06, 2011 |
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Unraveling plant reactions to injury
Better understanding of plant defense systems, and the potential to generate stress-tolerant plants and even new malaria drugs, may all stem from the documentation of a molecular mechanism that plays a significant ...
May 27, 2011 |
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Certain bacteria render mosquitoes resistant to deadly malaria parasite
cientists have identified a class of naturally occurring bacteria that can strongly inhibit malaria-causing parasites in Anopheles mosquitoes, a finding that could have implications for efforts to control malaria. The study, ...
May 12, 2011 |
5 / 5 (2) |
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Measuring oxidative stress can predict risk of atrial fibrillation
Measuring oxidative stress may help doctors predict the risk of developing atrial fibrillation, the most common heart beat irregularity. Research from Emory University School of Medicine has identified a connection between ...
Medicine & Health / Diseases, Conditions, Syndromes
Apr 04, 2011 |
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Algae and bacteria hogged oxygen after ancient mass extinction, researchers say
(PhysOrg.com) -- After the biggest mass extinction in Earth's history -- 250 million years ago -- ocean algae and bacteria rebounded so fast that they consumed virtually all the oxygen in the sea, slowing ...
Space & Earth / Earth Sciences
Mar 25, 2011 |
4.8 / 5 (6) |
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Antioxidant compound shows promising radioprotective properties
Researchers at National Jewish Health have shown that an antioxidant compound can protect against injury to the lungs, gastrointestinal tract and the eye in a mouse model of acute exposure to ionizing radiation.
Medicine & Health / Medical research
Mar 21, 2011 |
5 / 5 (1) |
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Take your vitamins: Tocopherol derivatives as new dioxin receptor antagonists
(PhysOrg.com) -- When reactive oxygen species (ROS) hit the body, vitamin E helps to prevent damage to tissues and cells by acting as an antioxidant. The health benefits of vitamin E are numerous, and in fact, ...
Mar 18, 2011 |
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